Motorola’s Moto X line is back.Â Android AuthorityÂ reportsÂ that the lineup, which hasn’t seen a new phone since 2015, will definitely be updated this year with a new device called the Moto X4. We thought this might be the case when a photoÂ leakedÂ last month.Â Android AuthorityÂ says an anonymous source provided all the phone’s specs. This is what…